This container can be pulled via:
  docker pull registry.opensuse.org/home/dcassany/elementalgit/containers/rancher/elemental-operator:1.7.0-dev
  docker pull registry.opensuse.org/home/dcassany/elementalgit/containers/rancher/elemental-operator:1.7.0-dev-9.16
  docker pull registry.opensuse.org/home/dcassany/elementalgit/containers/rancher/elemental-operator:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.